Analysis
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max time kernel
37s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220331-en -
submitted
04-04-2022 18:58
Static task
static1
Behavioral task
behavioral1
Sample
BASE64_extracted_at_0x0.exe
Resource
win7-20220331-en
Behavioral task
behavioral2
Sample
BASE64_extracted_at_0x0.exe
Resource
win10v2004-20220331-en
General
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Target
BASE64_extracted_at_0x0.exe
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Size
210KB
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MD5
ae974df30c368c1a055ed2fff5f34ad9
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SHA1
41ea866b38753a33bfd3c9fd1ee72cfaf5f1815e
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SHA256
fd333e8637662f90097f437c12169365323512bd86a2820e8f93e5158f178f17
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SHA512
4c73d27152b44d01eaf19500d7e565b4415170eecdb8b440c73f49cc401b6f9acd0c2fd410986fb1f0eb5c7277e5abdb127059935bb84f353e1d4bdfa2855cef
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5009732133:AAFwMXIJpYDoCsKxNrSeGLfpeTo8-WB2wh8/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BASE64_extracted_at_0x0.exe Key opened \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BASE64_extracted_at_0x0.exe Key opened \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BASE64_extracted_at_0x0.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1596 BASE64_extracted_at_0x0.exe 1596 BASE64_extracted_at_0x0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1596 BASE64_extracted_at_0x0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1596 BASE64_extracted_at_0x0.exe -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BASE64_extracted_at_0x0.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BASE64_extracted_at_0x0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BASE64_extracted_at_0x0.exe"C:\Users\Admin\AppData\Local\Temp\BASE64_extracted_at_0x0.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1596